0.8.10.42:

[sbcl.git] / tests / clos.impure.lisp

diff --git a/tests/clos.impure.lisp b/tests/clos.impure.lisp
index da5e1aa..ccdfeca 100644 (file)
--- a/tests/clos.impure.lisp
+++ b/tests/clos.impure.lisp
@@ -700,5 +700,97 @@
                    (declare (notinline slot-value))
                    a))
 
+;;; from CLHS 7.6.5.1
+(defclass character-class () ((char :initarg :char)))
+(defclass picture-class () ((glyph :initarg :glyph)))
+(defclass character-picture-class (character-class picture-class) ())
+
+(defmethod width ((c character-class) &key font) font)
+(defmethod width ((p picture-class) &key pixel-size) pixel-size)
+
+(assert (raises-error? 
+        (width (make-instance 'character-class :char #\Q) 
+               :font 'baskerville :pixel-size 10)
+        program-error))
+(assert (raises-error?
+        (width (make-instance 'picture-class :glyph #\Q)
+               :font 'baskerville :pixel-size 10)
+        program-error))
+(assert (eq (width (make-instance 'character-picture-class :char #\Q)
+                  :font 'baskerville :pixel-size 10)
+           'baskerville))
+
+;;; class redefinition shouldn't give any warnings, in the usual case
+(defclass about-to-be-redefined () ((some-slot :accessor some-slot)))
+(handler-bind ((warning #'error))
+  (defclass about-to-be-redefined () ((some-slot :accessor some-slot))))
+
+;;; attempts to add accessorish methods to generic functions with more
+;;; complex lambda lists should fail
+(defgeneric accessoroid (object &key &allow-other-keys))
+(assert (raises-error?
+        (defclass accessoroid-class () ((slot :accessor accessoroid)))
+        program-error))
+
+;;; reported by Bruno Haible sbcl-devel 2004-04-15
+(defclass shared-slot-and-redefinition ()
+  ((size :initarg :size :initform 1 :allocation :class)))
+(let ((i (make-instance 'shared-slot-and-redefinition)))
+  (defclass shared-slot-and-redefinition ()
+    ((size :initarg :size :initform 2 :allocation :class)))
+  (assert (= (slot-value i 'size) 1)))
+
+;;; reported by Bruno Haible sbcl-devel 2004-04-15
+(defclass superclass-born-to-be-obsoleted () (a))
+(defclass subclass-born-to-be-obsoleted (superclass-born-to-be-obsoleted) ())
+(defparameter *born-to-be-obsoleted*
+  (make-instance 'subclass-born-to-be-obsoleted))
+(defparameter *born-to-be-obsoleted-obsoleted* nil)
+(defmethod update-instance-for-redefined-class
+    ((o subclass-born-to-be-obsoleted) a d pl &key)
+  (setf *born-to-be-obsoleted-obsoleted* t))
+(make-instances-obsolete 'superclass-born-to-be-obsoleted)
+(slot-boundp *born-to-be-obsoleted* 'a)
+(assert *born-to-be-obsoleted-obsoleted*)
+
+;;; additional test suggested by Bruno Haible sbcl-devel 2004-04-21
+(defclass super-super-obsoleted () (a))
+(defclass super-obsoleted-1 (super-super-obsoleted) ())
+(defclass super-obsoleted-2 (super-super-obsoleted) ())
+(defclass obsoleted (super-obsoleted-1 super-obsoleted-2) ())
+(defparameter *obsoleted* (make-instance 'obsoleted))
+(defparameter *obsoleted-counter* 0)
+(defmethod update-instance-for-redefined-class ((o obsoleted) a d pl &key)
+  (incf *obsoleted-counter*))
+(make-instances-obsolete 'super-super-obsoleted)
+(slot-boundp *obsoleted* 'a)
+(assert (= *obsoleted-counter* 1))
+
+;;; shared -> local slot transfers of inherited slots, reported by
+;;; Bruno Haible
+(let (i)
+  (defclass super-with-magic-slot () 
+    ((magic :initarg :size :initform 1 :allocation :class)))
+  (defclass sub-of-super-with-magic-slot (super-with-magic-slot) ())
+  (setq i (make-instance 'sub-of-super-with-magic-slot))
+  (defclass super-with-magic-slot () 
+    ((magic :initarg :size :initform 2)))
+  (assert (= 1 (slot-value i 'magic))))
+
+;;; MAKE-INSTANCES-OBSOLETE return values
+(defclass one-more-to-obsolete () ())
+(assert (eq 'one-more-to-obsolete 
+           (make-instances-obsolete 'one-more-to-obsolete)))
+(assert (eq (find-class 'one-more-to-obsolete) 
+           (make-instances-obsolete (find-class 'one-more-to-obsolete))))
+
+;;; Sensible error instead of a BUG. Reported by Thomas Burdick.
+(multiple-value-bind (value err)
+    (ignore-errors
+      (defclass slot-def-with-duplicate-accessors ()
+       ((slot :writer get-slot :reader get-slot))))
+  (assert (typep err 'error))
+  (assert (not (typep err 'sb-int:bug))))
+
 ;;;; success
 (sb-ext:quit :unix-status 104)